PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-19:28:10
G02     221.8          65.3               10.2 +/-    0.47      11.1 +/-    0.47  0.060 / 0.090
G06     48.0           69.9                8.6 +/-    0.32       9.0 +/-    0.32  0.080 / 0.100
G12     319.2          39.0                7.9 +/-    0.94      11.6 +/-    0.94  0.100 / 0.330
G17     60.6           30.2                7.8 +/-    1.41      13.6 +/-    1.41  0.120 / 0.350
G19     46.2           44.6                7.5 +/-    0.58      10.2 +/-    0.58  0.040 / 0.050
G24     258.1          39.8               10.0 +/-    1.46      14.6 +/-    1.46  0.050 / 0.060
G28     124.7          14.4                9.6 +/-    1.17      24.1 +/-    1.17  0.040 / 0.080